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WO2017044051A1 - Appareil d'écriture numérisée - Google Patents

Appareil d'écriture numérisée Download PDF

Info

Publication number
WO2017044051A1
WO2017044051A1 PCT/TH2015/000057 TH2015000057W WO2017044051A1 WO 2017044051 A1 WO2017044051 A1 WO 2017044051A1 TH 2015000057 W TH2015000057 W TH 2015000057W WO 2017044051 A1 WO2017044051 A1 WO 2017044051A1
Authority
WO
WIPO (PCT)
Prior art keywords
pen body
reference medium
pen
identifying
ultrasonic
Prior art date
Application number
PCT/TH2015/000057
Other languages
English (en)
Inventor
Somboon CHIEWCHARNPIPAT
Pattana LEE
Original Assignee
Chiewcharnpipat Somboon
Lee Pattana
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chiewcharnpipat Somboon, Lee Pattana filed Critical Chiewcharnpipat Somboon
Priority to CN201580084405.0A priority Critical patent/CN108351711A/zh
Priority to JP2018531287A priority patent/JP2018533146A/ja
Priority to US15/760,933 priority patent/US20180299976A1/en
Priority to PCT/TH2015/000057 priority patent/WO2017044051A1/fr
Publication of WO2017044051A1 publication Critical patent/WO2017044051A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383—Signal control means within the pointing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038—Indexing scheme relating to G06F3/038
    • G06F2203/0384—Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices

Definitions

  • the invention is related to a digitized writing apparatus and its communication system wherein the digitized writing apparatus comprising a pen body and a reference medium with embedded transducer modules capable of transmitting and receiving pen position-identifying signals during a writing task on a writing surface.
  • the pen body and reference medium further comprising a magnetometer and an accelerometer to assist the transducer modules in identifying or calculating the pen position and pen movement tracking information and forwarding said information to a storage space in a memory unit of the pen body or the reference medium.
  • the writing information such as a string of characters or graphics, may be sent simultaneously and wirelessly to an external electronic display device or to be stored for later viewing on the external electronic display device.
  • a conventional digitized writing apparatus (e.g. a digital pen, a wireless pen, or an input pen) generally comprising a pen body and a reference point or a reference medium as two main components that are capable of transmitting and receiving pen position-identifying signals to each other on a writing surface during a writing task by utilizing at least one type of wireless signal, such as acoustic or electromagnetic signal.
  • An ultrasonic sensor or transducer is commonly employed within the digitized writing apparatus wherein the transducer utilizes a triangulation method to identify the pen position by sending off a succession of ultrasonic signals from one ultrasonic transmitter in the pen body to two ultrasonic receivers in the reference medium located on one side or one edge of the writing surface or within a good signaling distance.
  • the two sides of the triangle are equivalent to the distance (dl) from the ultrasonic transmitter to the first ultrasonic receiver and the distance (d2) from the ultrasonic transmitter to the second ultrasonic receiver, and the third side of the triangle is equivalent to the distance (d3) between the two receivers, which are usually fixed as the receivers are laid inside the same reference medium.
  • the apparatus can then calculate the three angles to enable the identification of the pen position and track any changes or movements in the pen position on the writing surface using the triangulation method.
  • the handwritten information such as a string of characters or graphics, may be transmitted wirelessly to an external device in order to be displayed in real- time or be recorded within the apparatus's own memory unit for later display after the writing task is completed.
  • the digitized writing apparatus of this invention has been designed so that the reference medium is reduced in size, thereby, making it possible to attach onto one end of the pen body or to serve as a part of the pen body.
  • the position-identifying sensors preferably ultrasonic sensors, are also embedded in the pen body wherein at least one sensor is located near the pen tip and the second sensor is in the opposite end (e.g. top end) of the pen body so that if one sensor is interfered— either by the movement of the pen or the blockage of a hand during writing— one sensor can still effectively transmit or receive signals between the pen body and the reference medium that also comprises at least one ultrasonic sensor.
  • a different type of position-identifying sensors preferably infrared sensors, can be embedded inside the pen body and the reference medium to assist the ultrasonic system in the transmission or reception of position-identifying signals, as well as to help reduce the amount of energy consumption by the ultrasonic system.
  • the digitized writing apparatus further comprises a pressure sensor to detect the pen tip on writing surface and to activate the position-identifying sensors, and a set of magnetometer and accelerometer to assist the sensor system in detecting and calculating the position coordinates of the pen body during writing task, and a controller and memory unit to control the activation of sensors and the recording of written information in a timely manner, whereby the communication module can be added to transmit said information as a WIFI or bluetooth signal to an external device for a real-time/simultaneous or subsequent display.
  • a digitized writing apparatus as described in the present invention comprising a pen body and a reference medium wherein the pen body and the reference medium each comprising at least a set of transducer module with pen body position-identifying sensors, preferably ultrasonic and infrared sensors, capable of transmitting and receiving a succession of position- identifying ultrasonic and infrared signals between said pen body and reference medium during a writing task.
  • pen body position-identifying sensors preferably ultrasonic and infrared sensors
  • the transducer modules in the pen body and the reference medium further comprising at least one set of magnetometer and accelerometer to assist the ultrasonic and infrared sensors in identifying the position coordinates, distances, and angles of the pen body relative to the plane and the orientation of the writing surface and at least a set of controller and memory unit to control the activation and deactivation of position-identifying sensors and to record the pen position locations and coordinates during a writing task.
  • a communication module may optionally be installed in the pen body and reference medium for real-time or subsequent transmission of written data using any wireless signaling system, preferably a WIFI or Bluetooth system, to an external device.
  • FIG. 1 is showing one configuration of the digitized writing apparatus comprising the pen body and reference medium and the detailed components inside the pen body and reference medium;
  • FIG. 2 is illustrating one way to utilize the digitized writing apparatus on a writing surface wherein the written information or data can be transmitted via a WIFI or bluetooth system from the pen body or the reference medium to the external device such as computer, lap-top, and smart phone, for simultaneous viewing or subsequent display of written information;
  • FIG. 3 is the apparatus's triangulation diagram on an X-Y axis showing the reference medium sensor (A), the pen tip sensor (B), and the projection of the other pen sensor onto the writing surface (C), pen tip position coordinates (x, y), and an alpha and beta angles ( ⁇ , ⁇ );
  • FIG. 4 is the apparatus's triangulation diagram showing the distance from the reference medium sensor to the pen top end sensor (d 2m ), the distance between the two pen sensors ( ), and the pen tilt theta angle ( ⁇ );
  • FIG. 5 is showing a chi (X) and ⁇ angles calculated by the reference made between the pen body and reference medium magnetometers on the X-Y axis;
  • FIG. 6 is showing X-Z axis that further illustrates the calculation of the theta ( ⁇ ) and gamma ( ⁇ ) angles by the pen body accelerometer;
  • FIG. 7 is illustrating one algorithm of the pen body wherein the pen body comprising at least one ultrasonic receiver;
  • FIG. 8 is illustrating one algorithm of the reference medium wherein the reference medium comprising at least one ultrasonic transmitter
  • FIG. 9 is illustrating one algorithm of the pen body wherein the pen body comprising at least one ultrasonic transmitter.
  • FIG. 10 is illustrating one algorithm of the reference medium wherein the reference medium comprising at least one ultrasonic receiver;
  • the digitized writing apparatus as illustrated in FIG. 1 generally comprising: (a) a pen body ( 1 ) wherein within the pen body ( 1 ) comprising:
  • a pen ink cartridge (5) connecting to a pen tip for drawing ink onto a writing surface (20) during writing; - a pressure sensor (6) for detecting a pressure of the pen tip on the writing surface (20);
  • At least two pen body sensors preferably ultrasonic (2) and infrared (3) sensors for transmitting the position-identifying signals to or receiving them from a set of reference medium sensors (13, 14) and for identifying a pen body position (including pen tip) on the writing surface (20) by means of calculating a signaling distance 1 (rfi) (i.e. from time of flight of a signal between two sensors) between one ultrasonic sensor near the pen tip (2) and one ultrasonic sensor (13) in the reference medium (12), and a signaling distance 2m ( ⁇ 3 ⁇ 4 ⁇ ) between one or more sensors (2 , 3 ) in the top end of the pen body and one or more sensors (13, 14) in the reference medium (12);
  • a signaling distance 1 rfi
  • a signaling distance 2m ⁇ 3 ⁇ 4 ⁇
  • a pen body accelerometer (8) for tracking the pen movement and for identifying the pen tilt angle ( ⁇ ) as illustrated in FIG.6;
  • transducer module (40) to assist the pen body transducer module (30) in identifying, tracking, and recording the pen body position based on a triangulation method as illustrated in FIGS. 3-6 wherein said transducer module (40) comprising:
  • At least two reference medium sensors preferably ultrasonic (13) and infrared (14) sensors for receiving the position- identifying signals from or transmitting them to the pen body sensors (2, 3) and for identifying the pen body position on the writing surface (20) by assisting the pen body sensors (2, 3) in calculating the and ⁇ dim) values;
  • the distance and angle values calculated by the above sensors (13, 14) and magnetometer (16) are recorded by the reference medium controller and memory unit (15) and are used for further calculations and recordings of the distance 2 (cj ) as illustrated in FIG. 4, as well as the alpha (a) angle, and x and y coordinates as illustrated in FIG. 3, accordingly)
  • the digitized writing apparatus as described above may further comprise a communication module (9) wherein the communication module (9) is used to transmit the recorded pen body position information wirelessly, preferably a WIFI or bluetooth signal, to an external device (21 ) such as a computer, a lap-top, a digital tablet, a mobile phone, a smart phone, or other digital display devices with a WIFI or bluetooth receiver.
  • an external device such as a computer, a lap-top, a digital tablet, a mobile phone, a smart phone, or other digital display devices with a WIFI or bluetooth receiver.
  • the first ultrasonic sensor (2) is located within close proximity to the pen tip and the second ultrasonic sensor (2) and the infrared sensor (3)— more preferably an infrared diode (3) that can emit infrared signal in all directions— are located within close proximity to an opposite end or top end of the pen body to assist the ultrasonic system in transmitting or receiving signal in the case when one ultrasonic sensor is interfered by hand or movement or other obstruction.
  • the pen body (1 ) and reference medium (12) may further comprise a ground electrode
  • the reference medium (12) is in the form of a pen cap wherein the pen cap is attachable to and removable from the pen body (1).
  • the pen cap may further comprise an extended part on the outer surface for fitting, adhering, or clipping on one side or one edge of the writing surface (20) during the writing task.
  • the reference medium may comprise a reference medium accelerometer (17) to assist the pen body accelerometer (8) in tracking the pen movement and in identifying the pen tilt angle ( ⁇ ) as illustrated in FIG.6, both relative to the writing surface.
  • a general communication system or algorithm for the digitized writing apparatus comprising the following steps:
  • FIG. 9 and FIG. 10 Another preferred embodiment of the communication system or algorithm for the digitized writing apparatus, as depicted in FIG. 9 and FIG. 10, comprising the following steps:

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Position Input By Displaying (AREA)

Abstract

L'invention concerne un appareil d'écriture numérisée comprenant un ensemble portatif d'un corps de stylo et d'un support de référence, le corps de stylo et le support de référence comprenant chacun au moins un ensemble de capteurs d'identification de position de corps de stylo pouvant transmettre et recevoir une succession de signaux d'identification de position entre ledit corps de stylo et ledit support de référence au cours d'une tâche d'écriture. Le corps de stylo et le support de référence comprennent en outre au moins un ensemble d'un magnétomètre et d'un accéléromètre servant à assister les systèmes à ultrasons et à infrarouge lors de l'identification des coordonnées de position, des distances et des angles du corps de stylo par rapport au support de référence. Un ensemble d'unités de commande et de mémoire est en outre introduit pour commander et coordonner l'activation et la désactivation des capteurs d'identification de position et pour enregistrer les localisations et les coordonnées de position de stylo pendant une tâche d'écriture. Un module de communication peut éventuellement être installé pour permettre une transmission sans fil de données écrites vers un dispositif externe, de façon à pouvoir afficher en temps réel les informations écrites.
PCT/TH2015/000057 2015-09-07 2015-09-07 Appareil d'écriture numérisée WO2017044051A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201580084405.0A CN108351711A (zh) 2015-09-07 2015-09-07 数字化书写设备
JP2018531287A JP2018533146A (ja) 2015-09-07 2015-09-07 デジタル筆記器具
US15/760,933 US20180299976A1 (en) 2015-09-07 2015-09-07 Digitized writing apparatus
PCT/TH2015/000057 WO2017044051A1 (fr) 2015-09-07 2015-09-07 Appareil d'écriture numérisée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TH2015/000057 WO2017044051A1 (fr) 2015-09-07 2015-09-07 Appareil d'écriture numérisée

Publications (1)

Publication Number Publication Date
WO2017044051A1 true WO2017044051A1 (fr) 2017-03-16

Family

ID=58239889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TH2015/000057 WO2017044051A1 (fr) 2015-09-07 2015-09-07 Appareil d'écriture numérisée

Country Status (4)

Country Link
US (1) US20180299976A1 (fr)
JP (1) JP2018533146A (fr)
CN (1) CN108351711A (fr)
WO (1) WO2017044051A1 (fr)

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CN107788989A (zh) * 2017-09-04 2018-03-13 浙江大学 一种基于加速度传感器的写字姿态监测系统和方法
WO2020076950A1 (fr) * 2018-10-09 2020-04-16 Google Llc Dispositif d'écriture avec suivi électromagnétique
JP2020150154A (ja) * 2019-03-14 2020-09-17 Jsr株式会社 電極材料製造装置及び電極材料製造方法

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US10817083B2 (en) * 2018-09-07 2020-10-27 Microsoft Technology Licensing, Llc Detection of pen location relative to an electronic device
US10928946B2 (en) * 2019-02-15 2021-02-23 Dell Products L.P. Touchscreen stylus and display module interface
US11163396B2 (en) * 2019-03-13 2021-11-02 Microsoft Technology Licensing, Llc Method and touch instrument for uplink-based zero activation force
CN111556596B (zh) * 2020-04-28 2022-06-10 沈阳工业大学 一种支持私密交互的书写设备及方法
EP3907587A1 (fr) * 2020-05-04 2021-11-10 Invoxia Système et procédé de détection de problèmes d'écriture
US11379056B2 (en) * 2020-09-28 2022-07-05 Arian Gardner Editor's pen pad
EP3989108B1 (fr) * 2020-10-26 2024-09-25 Invoxia Système et procédé de reconnaissance d'écriture manuscrite en ligne
CN112912830B (zh) * 2020-12-25 2023-07-11 闻泰科技(深圳)有限公司 触控位置识别方法、装置、系统及计算机可读存储介质
WO2022256965A1 (fr) * 2021-06-07 2022-12-15 广州视源电子科技股份有限公司 Stylet, panneau interactif intelligent, tableau noir intelligent, et procédé de fonctionnement interactif basé sur stylet

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CN107788989A (zh) * 2017-09-04 2018-03-13 浙江大学 一种基于加速度传感器的写字姿态监测系统和方法
CN107788989B (zh) * 2017-09-04 2019-10-29 浙江大学 一种基于加速度传感器的写字姿态监测系统和方法
WO2020076950A1 (fr) * 2018-10-09 2020-04-16 Google Llc Dispositif d'écriture avec suivi électromagnétique
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JP2020150154A (ja) * 2019-03-14 2020-09-17 Jsr株式会社 電極材料製造装置及び電極材料製造方法

Also Published As

Publication number Publication date
US20180299976A1 (en) 2018-10-18
CN108351711A (zh) 2018-07-31
JP2018533146A (ja) 2018-11-08

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